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* media: dvb_frontend: add physical layer scrambling supportAthanasios Oikonomou2017-12-192-2/+5
| | | | | | | | | | | | | | | | | | | This commit adds a new property DTV_SCRAMBLING_SEQUENCE_INDEX. This 18 bit field, when present, carries the index of the DVB-S2 physical layer scrambling sequence as defined in clause 5.5.4 of EN 302 307. There is no explicit signalling method to convey scrambling sequence index to the receiver. If S2 satellite delivery system descriptor is available it can be used to read the scrambling sequence index (EN 300 468 table 41). By default, gold scrambling sequence index 0 is used. The valid scrambling sequence index range is from 0 to 262142. Increase the DVB API version in order userspace to be aware of the changes. Signed-off-by: Athanasios Oikonomou <athoik@gmail.com> Acked-by: Ralph Metzler <rjkm@metzlerbros.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: exynos4-is: Check pipe is valid before calling subdevSimon Shields2017-12-181-1/+2
| | | | | | | | | | If the subdev is not yet present (probably because the subdev module has not yet been loaded), the pipe will be NULL. Make sure that this is not the case before attempting to call the op. Signed-off-by: Simon Shields <simon@lineageos.org> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: vb2-core: fix descriptions for VB2-only functionsMauro Carvalho Chehab2017-12-181-40/+49
| | | | | | | | | | | | | When we split VB2 into an independent streaming module and a V4L2 one, some vb2-core functions started to have a wrong description: they're meant to be used only by the API-specific parts of VB2, like vb2-v4l2, as the functions that V4L2 drivers should use are all under videobuf2-v4l2.h. Correct their descriptions. Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: v4l2-subdev: convert frame description to enumMauro Carvalho Chehab2017-12-181-12/+19
| | | | | | | | | | | | | As kernel-doc doesn't support documenting #define values, and using enum makes easier to identify where the values are used, convert V4L2_MBUS_FRAME_DESC_FL_* to enum, and use BIT() macro. While here, fix the description at v4l2_mbus_frame_desc_entry, in order to match what's described for V4L2_MBUS_FRAME_DESC_FL_LEN_MAX. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: v4l2-subdev: better document IO pin configuration flagsMauro Carvalho Chehab2017-12-181-12/+21
| | | | | | | Convert V4L2_SUBDEV_IO_PIN_* to enums, use BIT() and document via kernel-doc. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: v4l2-subdev: fix a typoMauro Carvalho Chehab2017-12-181-1/+1
| | | | | | | ownner -> owner Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: v4l2-tpg: use __u16 instead of int for struct tpg_rbg_color16Mauro Carvalho Chehab2017-12-181-1/+1
| | | | | | | | | Despite the struct says "color16", it was actually using 32 bits for each color. Fix it. Suggested-by: Hans Verkuil <hverkuil@xs4all.nl> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: v4l2-tpg.h: rename color structsMauro Carvalho Chehab2017-12-181-4/+4
| | | | | | | | | | | | | | The color structs right now are just "color" and "color16". That may lead into conflicts, and don't define precisely what they meant. As those are used by two drivers (vivid and vimc), this is even on a somewhat public header! So rename them to: color -> tpg_rbg_color8 color16 -> tpg_rbg_color16 Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: v4l2-tpg*.h: move headers to include/media/tpg and merge themMauro Carvalho Chehab2017-12-182-69/+44
| | | | | | | | | | The v4l2-tpg*.h headers are meant to be used only internally by vivid and vimc. There's no sense keeping them together with the V4L2 kAPI headers. Also, one header includes the other as they're meant to be used together. So, merge them. Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: vb2: add cross references at memops and v4l2 kernel-doc markupsMauro Carvalho Chehab2017-12-182-57/+63
| | | | | | | | | Add cross-references where needed and add periods at the end of each kernel-doc paragraph, in order to make it coherent with other VB2 descriptions. Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: vb2-core: document remaining functionsMauro Carvalho Chehab2017-12-181-1/+53
| | | | | | There are several VB2 core functions that aren't documented. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: vb2-core: Improve kernel-doc markupsMauro Carvalho Chehab2017-12-181-172/+204
| | | | | | | | | | There are several issues on the current markups: - lack of cross-references; - wrong cross-references; - lack of a period of the end of several phrases; - Some descriptions can be enhanced. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: vb2-core: use bitops for bitsMauro Carvalho Chehab2017-12-181-5/+6
| | | | | | | Use the existing macros to identify vb2_io_modes bits. Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: v4l2-subdev: fix description of tuner.s_radio opsMauro Carvalho Chehab2017-12-181-1/+20
| | | | | | | | | The description there is completely broken and it mentions an ioctl that doesn't exist. Fix it. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: v4l2-subdev: create cross-references for ioctlsMauro Carvalho Chehab2017-12-181-31/+34
| | | | | | | | | When generating Sphinx output, create cross-references for the callbacks for each ioctl. While here, fix a few wrong names for ioctls. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: v4l2-dev: document video_device flagsMauro Carvalho Chehab2017-12-181-7/+18
| | | | | | | | Convert #defines to enums and add kernel-doc markups for V4L2 video_device flags. Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: v4l2-dev: document VFL_DIR_* direction definesMauro Carvalho Chehab2017-12-181-6/+16
| | | | | | | | The V4L_DIR_* direction flags document the direction for a V4L2 device node. Convert them to enum and document. Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: get rid of i2c-addr.hMauro Carvalho Chehab2017-12-182-37/+16
| | | | | | | | | | In the past, the same I2C address were used on multiple places. After I2C rebinding changes, this is no longer needed. So, we can just get rid of this header, placing the I2C address where they belong, e. g. either at bttv driver or at tvtuner. Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: i2c-addr.h: get rid of now unused definesMauro Carvalho Chehab2017-12-181-7/+0
| | | | | | | | Some of the previously used I2C addresses there aren't used anymore. So, get rid of them. Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: v4l2-dev: convert VFL_TYPE_* into an enumMauro Carvalho Chehab2017-12-182-26/+63
| | | | | | | | | | | | | Using enums makes easier to document, as it can use kernel-doc markups. It also allows cross-referencing, with increases the kAPI readability. Please notice that now cx88_querycap() has to have a default for the VFL type, as there are more types than supported by the driver. Acked-By: Mike Isely <isely@pobox.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: v4l2-mediabus: use BIT() macro for flagsMauro Carvalho Chehab2017-12-181-24/+26
| | | | | | | | Instead of using (1 << n) for bits, use the BIT() macro, as it makes a difference from documentation point of view. Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: v4l2-flash-led-class.h: add kernel-doc to two helper funcsMauro Carvalho Chehab2017-12-181-0/+12
| | | | | | | | | | There are two helper functions at v4l2-flash-led-class.h that aren't documented. Document them. Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: v4l2-dev.h: add kernel-doc to two macrosMauro Carvalho Chehab2017-12-181-3/+15
| | | | | | | | | There are two macros at v4l2-dev.h that aren't documented. Document them, for completeness. Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: v4l2-event.rst: improve events descriptionMauro Carvalho Chehab2017-12-181-34/+0
| | | | | | | | | | | | | | | | | | Both v4l2-event.rst and v4l2-event.h have an overview of events, but there are some inconsistencies there: - at v4l2-event, the event's ring buffer is called kevent. Its name is, instead, v4l2_kevent; - Some things are mentioned on both places (with different words), others are either on one of the files. In order to cleanup this mess, put everything at v4l2-event.rst and improve it to be a little more coherent and to have cross references. Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: media-entity.h: add kernel-doc markups for nested structsMauro Carvalho Chehab2017-12-181-0/+5
| | | | | | | | Now that nested structs are parsed by kernel-doc, add markups to them. Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: videobuf2-core: improve kernel-doc markupsMauro Carvalho Chehab2017-12-181-30/+29
| | | | | | | | | | | Now that nested structs are supported, change the documentation to use it. While here, add cross-references where pertinent and use monotonic fonts where pertinent, using the right markup tags. Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Acked-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: v4l2-ctrls: document nested members of structsMauro Carvalho Chehab2017-12-181-1/+8
| | | | | | | | There are a few nested members at v4l2-ctrls.h. Now that kernel-doc supports, document them. Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: v4l2-fwnode.h: better describe bus union at fwnode endpoint structMauro Carvalho Chehab2017-12-181-1/+11
| | | | | | | Better document the bus union at struct v4l2_fwnode_endpoint. Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: rc-core.h: minor adjustments at rc_driver_type docMauro Carvalho Chehab2017-12-181-2/+2
| | | | | | | | The description of this enum doesn't match what it actually represents. Adjust it. Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: v4l2-dv-timings.h: convert comment into kernel-doc markupMauro Carvalho Chehab2017-12-181-7/+9
| | | | | | | | | | The can_reduce_fps() is already documented, but it is not using the kernel-doc markup. Convert it, in order to generate documentation from it. Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: v4l2-common.h: document helper functionsMauro Carvalho Chehab2017-12-181-11/+96
| | | | | | | | | There are several helper functions that aren't documented. Document them. Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: v4l2-common: get rid of struct v4l2_discrete_probeMauro Carvalho Chehab2017-12-181-8/+4
| | | | | | | | | | | | | | | This struct is there just two store two arguments of v4l2_find_nearest_format(). The other two arguments are passed as parameter. IMHO, there isn't much sense on doing that, and that will just add one more struct to document ;) So, let's get rid of the struct, passing the parameters directly. Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: v4l2-common: get rid of v4l2_routing dead structMauro Carvalho Chehab2017-12-181-9/+5
| | | | | | | | | | This struct is not used anymore. Get rid of it and update the documentation about what should still be converted. Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: tuner-types: add kernel-doc markups for struct tunertypeMauro Carvalho Chehab2017-12-181-0/+15
| | | | | | | This struct is lacking documentation. Add it. Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: frontend: describe nested structsMauro Carvalho Chehab2017-12-181-18/+17
| | | | | | | | | | There are some nested structs on this header, with aren't properly document them. This should solve some warnings after the addition of a patche at kernel-doc adding support for nested structs/unions. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: cec: move cec autorepeat handling to rc-coreSean Young2017-12-142-5/+3
| | | | | | | | | | | | | | | | CEC autorepeat is different than other protocols. Autorepeat is triggered by the first repeated user control pressed CEC message, rather than a fixed REP_DELAY. This change also does away with the KEY_UP event directly after the first KEY_DOWN event, which was used to stop autorepeat from starting. See commit a9a249a2c997 ("media: cec: fix remote control passthrough") for the original change. Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: lirc: allow lirc device to be opened more than onceSean Young2017-12-141-19/+31
| | | | | | | | | | | | This makes it possible for lircd to read from a lirc chardev, and not keep it busy. Note that this changes the default for timeout reports to on. lircd already enables timeout reports when it opens a lirc device, leaving them on until the next reboot. Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: rc: include <uapi/linux/lirc.h> rather than <media/lirc.h>Sean Young2017-12-141-1/+0
| | | | | | | | This removes the need for include/media/lirc.h, which just includes the uapi file. Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* kfifo: DECLARE_KIFO_PTR(fifo, u64) does not work on arm 32 bitSean Young2017-12-141-1/+2
| | | | | | | | | | | | | | | | If you try to store u64 in a kfifo (or a struct with u64 members), then the buf member of __STRUCT_KFIFO_PTR will cause 4 bytes padding due to alignment (note that struct __kfifo is 20 bytes on 32 bit). That in turn causes the __is_kfifo_ptr() to fail, which is caught by kfifo_alloc(), which now returns EINVAL. So, ensure that __is_kfifo_ptr() compares to the right structure. Signed-off-by: Sean Young <sean@mess.org> Acked-by: Stefani Seibold <stefani@seibold.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: lirc: implement reading scancodeSean Young2017-12-141-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | This implements LIRC_MODE_SCANCODE reading from the lirc device. The scancode can be read from the input device too, but with this interface you get the rc protocol, keycode, toggle and repeat status in addition to just the scancode. int main() { int fd, mode, rc; fd = open("/dev/lirc0", O_RDWR); mode = LIRC_MODE_SCANCODE; if (ioctl(fd, LIRC_SET_REC_MODE, &mode)) { // kernel too old or lirc does not support transmit } struct lirc_scancode scancode; while (read(fd, &scancode, sizeof(scancode)) == sizeof(scancode)) { printf("protocol:%d scancode:0x%x toggle:%d repeat:%d\n", scancode.rc_proto, scancode.scancode, !!(scancode.flags & LIRC_SCANCODE_FLAG_TOGGLE), !!(scancode.flags & LIRC_SCANCODE_FLAG_REPEAT)); } close(fd); } Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: lirc: remove last remnants of lirc kapiSean Young2017-12-142-53/+5
| | | | | | | | | | | | rc-core has replaced the lirc kapi many years ago, and now with the last driver ported to rc-core, we can finally remove it. Note this has no effect on userspace. All future IR drivers should use the rc-core api. Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: lirc: remove name from lirc_devSean Young2017-12-141-2/+0
| | | | | | | This is a duplicate of rcdev->driver_name. Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: lirc: create rc-core open and close lirc functionsSean Young2017-12-142-11/+2
| | | | | | | | Replace the generic kernel lirc api with ones which use rc-core, further reducing the lirc_dev members. Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: lirc: move lirc_dev->attached to rc_dev->registeredSean Young2017-12-142-2/+3
| | | | | | | | This is done to further remove the lirc kernel api. Ensure that every fops checks for this. Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: lirc: use kfifo rather than lirc_buffer for raw IRSean Young2017-12-142-109/+4
| | | | | | | | | | Since the only mode lirc devices can handle is raw IR, handle this in a plain kfifo. Remove lirc_buffer since this is no longer needed. Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: lirc: merge lirc_dev_fop_ioctl and ir_lirc_ioctlSean Young2017-12-141-4/+0
| | | | | | | | | | | Calculate lirc features when necessary, and add LIRC_{S,G}ET_REC_MODE cases to ir_lirc_ioctl. This makes lirc_dev_fop_ioctl() unnecessary since all cases are already handled by ir_lirc_ioctl(). Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: lirc: lirc interface should not be a raw decoderSean Young2017-12-142-24/+19
| | | | | | | | | | | | | | | | | | The lirc user interface exists as a raw decoder, which does not make much sense for transmit-only devices. In addition, we want to have lirc char devices for devices which do not use raw IR, i.e. scancode only devices. Note that rc-code, lirc_dev, ir-lirc-codec are now calling functions of each other, so they've been merged into one module rc-core to avoid circular dependencies. Since ir-lirc-codec no longer exists as separate codec module, there is no need for RC_DRIVER_IR_RAW_TX type drivers to call ir_raw_event_register(). Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: lirc: use the correct carrier for scancode transmitSean Young2017-12-141-0/+1
| | | | | | | If the lirc device supports it, set the carrier for the protocol. Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: lirc: implement scancode sendingSean Young2017-12-142-53/+83
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | This introduces a new lirc mode: scancode. Any device which can send raw IR can now also send scancodes. int main() { int mode, fd = open("/dev/lirc0", O_RDWR); mode = LIRC_MODE_SCANCODE; if (ioctl(fd, LIRC_SET_SEND_MODE, &mode)) { // kernel too old or lirc does not support transmit } struct lirc_scancode scancode = { .scancode = 0x1e3d, .rc_proto = RC_PROTO_RC5, }; write(fd, &scancode, sizeof(scancode)); close(fd); } The other fields of lirc_scancode must be set to 0. Note that toggle (rc5, rc6) and repeats (nec) are not implemented. Nor is there a method for holding down a key for a period. Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: lirc: remove LIRCCODE and LIRC_GET_LENGTHSean Young2017-12-141-4/+0
| | | | | | | | | LIRCCODE is a lirc mode where a driver produces driver-dependent codes for receive and transmit. No driver uses this any more. The LIRC_GET_LENGTH ioctl was used for this mode only. Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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